Journal of Jianghan University(Natural Science Edition) ›› 2013, Vol. 41 ›› Issue (5): 52-57.

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Buck Dimmable LED Driving Circuit System

LI Xiang1，LING Wei-jie2   

  1. 1. Department of Electrical and Mechanical Services，Anhui Vocational College of Defence Technology，Liuan 237011， Anhui，China；2. Department of Automation，Nanjing University of Science and Technology，Nanjing 210094，Jiangsu，China
  • Online:2013-10-12 Published:2013-12-03

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Abstract: To adapt the development of LED lighting technology，the quality of the light，luminous efficiency，reliability，and simplification of the design，based on introducing the function of SSL2108 driving chip，designs a new dimmable LED driving system based on SSL2108. The system mainly composed with four parts：input circuit，buck circuit，dimming control circuit，output circuit. Experimental results show that the circuit can work properly and meet the designing goal.

Key words: SSL2108, LED driving, controlled silicon dimming, buck topology

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